505223132000 has 96 divisors (see below), whose sum is σ = 1245916473984. Its totient is φ = 201343104000.

The previous prime is 505223131981. The next prime is 505223132023. The reversal of 505223132000 is 231322505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850964 + ... + 1317036.

It is an arithmetic number, because the mean of its divisors is an integer number (12978296604).

Almost surely, 2^505223132000 is an apocalyptic number.

505223132000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505223132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622958236992).

505223132000 is an abundant number, since it is smaller than the sum of its proper divisors (740693341984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505223132000 is a wasteful number, since it uses less digits than its factorization.

505223132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466369 (or 466351 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 505223132000 its reverse (231322505), we get a palindrome (505454454505).

The spelling of 505223132000 in words is "five hundred five billion, two hundred twenty-three million, one hundred thirty-two thousand".